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Mightee writes "Scientific innovations have been going on for years to produce better testing instruments with least amount of spread of bacteria and infections involved. After considerable research it's being declared that normal tattoos on the skin are to become fruitful in determining the person's blood levels of sugar, glucose and alcohol by using an iPhone 4 camera.

How Will It Work?

While getting tattoos, from now on a 100 nano-meter wide collection of sensors would be implanted under the skin. These are to be covered with an oily casing to ensure that every component remains intact beneath the skin. Small particles present in the blood plasma are to bind with the sensors with the help of an external agent. These neutral particles undergo rapid ionization leading to change in the charge of the substance, which caters for the variation in the fluorescent emission of the tattoos due to blood plasma level changes."Link to Original Source